Download Shimadzu ELB300 Instruction manual

M054-E109
SHIMADZU ELECTRONIC BALANCE
EL SERIES
EL120, EL200, EL300, EL600,
EL1200, EL2000, EL3000, EL12K,
EL600S, EL6000S
INSTRUCTION MANUAL
TESTING & WEIGHING EQUIPMENT DIVISION
M054-E084
SHIMADZU ELECTRONIC BALANCE
EL SERIES
EL120, EL200, EL300, EL600,
EL1200, EL2000, EL3000, EL12K,
EL600S, EL6000S
INSTRUCTION MANUAL
READ THIS MANUAL THOROUGHLY TO ENSURE
CORRECT USE OF THE EQUIPMENT. SAVE THIS
FOR REFERENCE IN USE.
TESTING & WEIGHING EQUIPMENT DIVISION
Safety Precautions
NOTICE
Precautions in this instruction manual are defined as follows.
CAUTION
NOTICE
Failing to observe this may result in light to
medium levels of injury or physical damage.
Information for the correct use of the equipment.
Follow the cautions below for safe and proper use of the EL balance.
CAUTION
Do not use the EL balance in dangerous areas∗.
Use only the AC adapter that is provided by the distributor who is authorized by Shimadzu Corporation.
Use options and peripherals provided by Shimadzu.
Use of inadequate attachments and peripherals
may cause malfunction of the balance.
The EL balance is a precision instrument. Take
enough care and precautions when handling it to
ensure proper operation over a long period of time.
∗ Places exposed to flammable gases, liquids or dust.
INTRODUCTION
Thank you for purchasing the Shimadzu EL Series Electronic Balance. Before
using the balance, read this Instruction Manual carefully and store it for reference
in use.
CONTENTS
1.
List of Components and Names of Units.....................................................
1
2.
Installation ...................................................................................................
4
3.
Cautions and Notes ......................................................................................
5
4.
Measurement Procedure ..............................................................................
5
5.
Menu Selection ............................................................................................
7
6.
Registration of Units....................................................................................
9
6.1
Conditions for Registration .....................................................................
9
6.2
Registration Procedures ...........................................................................
9
6.3
Deleting the Registration .........................................................................
9
7.
Calibration ................................................................................................... 10
8.
Piece Counting............................................................................................. 10
9.
Percentage Conversion ................................................................................ 13
10. Specific Gravity Measurement .................................................................... 14
11. Switching Units ........................................................................................... 16
12. Performance Inspection ............................................................................... 17
13. Maintenance................................................................................................. 19
14. Malfunction?................................................................................................ 19
15. Specifications............................................................................................... 21
16. Parts List ...................................................................................................... 23
17. Special Accessories (Options) ..................................................................... 24
17.1
Built-in Battery ........................................................................................ 24
17.2
Below-Balance-Weighing Hook .............................................................. 26
18. Peripherals ................................................................................................... 27
18.1
Printer EP-60A ........................................................................................ 27
18.2
RS-232C Interface IFB-102A.................................................................. 27
18.3
Input/Output Format ................................................................................ 28
18.4
Command Codes...................................................................................... 30
1. List of Components and Names of Units
List of
The following components (one for each) are contained in the
components
package.
Balance main unit
AC adapter
Protective cover
Pan supporter
Instruction manual
Operating guide
Pan
Names of units
For the small-pan model
q Balance main unit
w Pan
e Pan supporter
r Pan supporter shaft
t Level
y Power switch
u Power jack
i Level screws (3 places)
o Protective cover
!0 AC adapter (option)
!1 DATA I/O connector
-1-
Key names and functions
UNIT key
BREAK key
MODE key
TARE key
Name of Key
BREAK
Function
1) Changes the display from “oFF” to the weight.
2) Discontinues menu selection.
3) Cancels the Auto Print function.
4) Stops continuous data output to external instruments.
TARE
1) Subtracts the weight of the container.
2) Confirms menu selections.
3) Sets the reference values for piece counting and percentage conversion.
UNIT
1) Switches the units.
2) Cancels the Auto Print function.
3) Stops continuous data output to external instruments.
MODE
1) Selects different menu items.
2) Measures the weight in air during specific gravity measurement.
3) Cancels the Auto Print function.
4) Stops continuous data output to external instruments.
-2-
Display
Auto Print mark:
Illuminates when the Auto Print
function is turned on:
Low Battery mark:
Illuminates when the built-in battery
(optional) needs recharging.
Percentage mark
Turn the power switch off
immediately if this mark illuminates.
Piece counting mark
Negative sign mark
Gram mark
Specific gravity measurement mark
Stability mark:
Illuminates when the display stabilizes.
Center Zero mark:
Illuminates when the display stabilizes within
0 ± 0.25 of the minimal increment.
Not applicable depending on the local regulations for measuring instruments.
-3-
2. Installation
Power suppy
Installation
location
Check the voltage.
Check that the voltage of the power supply meets
the voltage indicated on the AC adapter.
Avoid the following conditions:
CAUTION
CAUTION
Exposure to corrosive or flammable gases.
NOTICE
Exposure to dust, wind, vibrations, electromagnetic
NOTICE
NOTICE
waves and magnetic fields.
Exposure to direct sunlight, remarkable temperature
fluctuations.
Extremely high/low temperatures or high/low
humidity.
Installation (1)
Remove the protection paper at
4 places on the protective cover
and mount the cover over the
main unit.
(2)
Mount the pan supporter and the
pan on the pan supporter shaft.
Assure the horizontal installation
of the balance by rotating the
level screw until the air bubble
in the level comes to a rest in the
center of the red circle. (Also
check that the balance is placed
steadily.)
For quick adjustment, screw in
the front left level screw until
it does not touch the table. Level
the balance using the 2 screws
at the rear. Finally, adjust the
front left level screw so that it
touches the table supporting the
balance steadily.
(3)
-4-
3. Cautions and Notes
Observe the
following:
CAUTION
Use only the AC adapter that is provided by the
distributor who is authorized by Shimadzu
Corporation.
NOTICE
NOTICE
Make sure that any foreign objects, including
water and metal pieces, do not enter the interior
of the balance.
Do not leave the balance with objects on the pan.
NOTICE
Do not cause a shock to the pan.
NOTICE
Do not recharge the built-in battery (optional)
for more than 15 hours.
4. Measurement Procedure
The procedures are explained using the EL300 as an example.
Turn on the
[When using the AC adapter]
power
Set the power switch to OFF and insert
(1)
the AC adapter plug into the power
jack of the balance. Plug the AC
adapter into the power outlet.
(2)
Check that nothing is placed on the pan.
(3)
Slide the power switch to the ON
position.
•
When using the AC adapter
ON1
•
When using the optional built
-in battery
ON2
(4)
The Check display will illuminate,
indicating that the temperature sensor
inside the balance is being checked.
Depending on the ambient temperature,
this may remain illuminating for
about 30 seconds.
-5-
(5)
(6)
(7)
(8)
Measurement (1)
(2)
∗Container:
*Preliminary
loading:
Turn off the
power
The all segments illuminate for
approximately 6 seconds.
is displayed.
Press the [BREAK] key.
Zero is displayed.
The zero may be unstable immediately
after the power is turned on. Allow
the balance to warm up for more
than 5 minutes. To conduct accurate
measurements, a warm up time of
over 30 minutes is recommended.
Calibrate sensitivity (refer to “7.
Calibration”).
Place the container∗ on the center of
the pan and press the [TARE] key.
Check that the Center Zero mark
illuminates.
Load the sample and read the displayed
value when the display stabilizes.
To conduct accurate measurements,
perform a preliminary loading∗ before
conducting measurements.
will be displayed if the weight
of the sample exceeds the capacity, or
the combined weight of the sample and
container exceeds the total available
range of the balance.
Any container in which the sample is placed. Measurements
without any container are also possible.
“Preliminary loading” refers to loading and unloading the sample
or the weight once before conducting the actual measurement. A
preliminary loading improves the accuracy of the measurement.
Slide the power switch to the OFF position.
CAUTION
Be sure to turn off the power when the balance
is not to be used for a long period of time.
-6-
5. Menu Selection
Various functions, including selecting different measurement speeds and setting of
the piece counting mode, are available on the EL-series balance. Selection of these
functions is referred to as “Menu Selection”.
Procedure (1)
(2)
Press the [MODE] key.
The currently set conditions are displayed in symbols.
(Example)
Adds parity to the data output∗
Zero tracking activated∗
Stability detection width: Large
Normal Response Mode
(3)
(4)
The display changes in the order shown in the table on page 8
by pressing the [MODE] key.
To select a condition or a mode, press the [TARE] key while
the condition or the mode is displayed.
When a condition or a mode is selected,
is displayed, and
then it reverts to the weight (or piece
counting or %) display. (This does
not occur when calibration, piece
counting, or percentage conversion
is selected.)
CAUTION
(5)
(Items with“ ∗”
→ illuminates when
→ set to on.)
The internal values of the balance are being
revised while
is displayed. Do not turn
off the power while
is displayed.
After displaying
(
k g for the EL12K), the balance
reverts to the weight (or piece counting or %) display.
• Press the [BREAK] key to stop menu selection.
• Set the response mode to “Normal” (
) in ordinary cases.
• Set the response mode to “Fast” (
) when it is necessary to
reduce the time required for measurements. (Be acknowledged that
measurement accuracy may be sacrificed).
• Set the internal stability detection width to “Large” (
)
when external causes such as vibration hinder smooth output
for Auto Printing, or when intending to reduce the time
-7-
required for output. (Be acknowledged that measurement
accuracy may be sacrificed.)
• Activating Zero Tracking (
) will automatically cancel
the minor fluctuation in the zero display. Select
when measuring slight differences of the weight.
Menu Items
Display
Mode
Symbol for
conditions display
Description
PCS
Piece counting
％
Percentage conversion
Calibration
Fast Response Mode
Normal Response Mode
Internal stability detection width: Small
Internal stability detection width: Large
Zero tracking: ON
Conditions
Zero tracking: OFF
RS-232C communication specification
settings
Specific gravity measurement
Mode
∗1
kg
No display
With parity:
Kilogram
g
Gram
ct
Carat
1ct = 0.2g
∗
oz
Ounce
1oz = 28.3495g
∗2
ozt
Troy ounce
1oztv31.1035g
∗
dwt
Penny weight
1dwt = 1.55517g
∗2
GN
Grain
1GN = 0.0647989g
2
2
∗
H tl
Hong Kong tael
1tl = 37.429g
∗2
S tl
Singapore tael
1tl = 37.7994g
∗
t tl
Taiwan tale
1tl = 37.5g
Momme
1mo = 3.75g
2
2
∗2
CLEAr
mo
Canceling registered units
∗1 EL12K only
∗2 Not applicable depending on the local regulations for measuring instruments.
-8-
6. Registration of Units
Three units can be registered in addition to “gram”. The registered units remain
after the power has been turned off. Registered units can be selected by pressing
the [UNIT] key.
6.1 Conditions for Registration
•
Up to three units (including piece counting, % and specific gravity) can be
registered in addition to “gram”.
•
When a new unit is added after three units have been registered, the firstregistered unit is deleted and the new unit is added.
6.2 Registration Procedures
1) Repeat pressing the [MODE] key while the balance displays the weight (except
for the case of specific gravity measurement) until “
xx” is displayed.
2) Press the [TARE] key when the desired unit is displayed. “→” is displayed for
already registered units.
3)
appears on the display and it changes to the weight display with the
newly registered unit.
CAUTION
The internal values of the balance are being revised while
displayed. Do not turn off the power while
is
is displayed.
6.3 Deleting the Registration
•
Follow the procedure below to delete registered units one by one. (Piece
counting and % cannot be deleted by this method.)
1) Repeat pressing the [MODE] key while the balance displays the weight (except
for the case of specific gravity measurement) until “
xx” is displayed.
2) Repeat pressing the [MODE] key until the unit to delete is displayed. “→” is
displayed for already registered units.
3) Press the [TARE] key when the unit to delete is displayed.
4)
appears on the display and it changes to the weight display.
-9-
CAUTION
The internal values of the balance are being revised while
displayed. Do not turn off the power while
•
is
is displayed.
Follow the procedure below to delete all the units registered.
1) Repeat pressing the [MODE] key while the balance displays the weight (except
for the case of specific gravity measurement) until “CLEAr” is displayed.
2) Press the [TARE] key while “CLEAr” is displayed.
3) “SEt” appears on the display and it changes to the weight display.
CAUTION
The internal values of the balance are being revised while
displayed. Do not turn off the power while
is
is displayed.
7. Calibration
The EL-series electronic balance measures the weight using the gravity of the
earth. Since the acceleration due to gravity varies slightly from region to region,
the sensitivity must be calibrated when the balance is installed. Perform sensitivity
calibration also in the following cases: (1) when there was a large fluctuation in
room temperature, (2) before conducting measurements requiring a high degree of
accuracy, (3) when moving the balance from one place to another, and (4) as
periodical maintenance once a month.
Procedure (1)
With nothing on the pan, go through
the menu selections to display
for calibration. (Refer to “5. Menu
Selection”.)
Press the [TARE] key.
(2)
The value of the weight to be used
for calibration flashes on the display.
(3)
Place the calibration weight on the pan.
(Refer to “15. Specifications” for
information on the calibration weight.)
(4)
Press the [TARE] key when the
stability mark illuminates.
- 10 -
(5)
Zero flashes on the display.
(6)
Remove the weight from the pan
and press the [TARE] key when the
stability mark is displayed.
(7)
appears on the display and it
reverts to the weight display.
CAUTION
The internal values of the balance are being
revised while “End” is displayed. Do not
turn off the power while
•
is displayed.
is displayed if an improper
weight is placed on the pan,
disenabling calibration.
•
Press the [BREAK] key to abort
calibration.
is displayed
and then the balance reverts to the
weight display.
Aborting is not possible while
is being displayed.
8. Piece Counting
The EL-series balance is capable of counting the number of pieces of the sample by
measuring the weight of a single piece of the sample.
The number of pieces to determine the weight of the single piece
can be selected from 10, 20, 50 and 100 (the larger the number of pieces, the higher
the measurement accuracy). The counted number of pieces is displayed with the
unit “PCS”.
Setting
procedure
(1)
Place the container on the pan and
press the [TARE] key.
- 11 -
(2)
Select piece counting mode (Conv
PCS) in menu selection, and press
the [TARE] key. (Refer to “5. Menu
Selection”.)
(3)
The number of reference pieces
is
displayed. Select the intended number
by pressing the [MODE] key. The
displayed number changes in the following order: 10 → 20 →
50 → 100 → 10...
(4)
Place the displayed number of sample pieces in the container
while the number of reference pieces is displayed.
(5)
Press the [TARE] key when the stability mark illuminates.
(6)
After
is displayed, it changes
to the piece counting display with
the “PCS” mark illuminating.
At the same time, the reference weight and the “PCS” unit are
registered on the [UNIT] key. (Refer to “11. Switching Units”).
CAUTION
The internal values of the balance are being
revised while
is displayed. Do not turn
off the power while
•
is displayed.
If the sample weight exceeds the
capacity of the balance, or the
weight of a piece of the sample is
smaller than the minimum increment,
is displayed and the display
reverts to the unit before menu
selection.
•
Press the [BREAK] key to abort
piece counting settings. “
” is
displayed and then it reverts to the
display before menu selection.
Aborting is not possible while
- 12 -
is being displayed.
9. Percentage Conversion
The EL-series balance is capable of calculating and displaying the sample
percentage to the reference set as 100%.
Setting
(1)
procedure
(2)
Place the container on the pan and press the [TARE] key.
Select percentage conversion mode
(
%) in menu selection, and
press the [TARE] key. (Refer to “5.
Menu Selection”.)
(3)
(4)
is displayed.
Place the sample to be used as
reference in the container.
(5)
Press the [TARE] key when the
stability mark illuminates.
(6)
After
is displayed, it changes
to the percentage display with the
“%” mark illuminating.
At the same time, the reference
weight and the “%” unit are
registered on the [UNIT] key. (Refer
to “11. Switching Units”)
CAUTION
The internal values of the balance are being
revised while
off the power while
•
If the sample weight exceeds the
capacity of the balance, or it is
smaller than 100 times the minimum
- 13 -
is displayed. Do not turn
is displayed.
increment,
is displayed
and the display reverts to the unit
before menu selection.
•
Press the [BREAK] key to abort
piece counting settings.
is displayed and then it reverts to
the display before menu selection.
Aborting is not possible while
•
is being displayed.
% will be displayed with the following number of digits
depending on the weight of the reference sample.
Less than 1000 times the minimum increment
No decimals
Less than 10000 times the minimum increment
To the 1st decimal place
More than 10000 times the minimum increment
To the 2nd decimal place
10. Specific Gravity Measurement
The EL-series balance allows easy measurements of the specific gravity of a
sample by measuring its weight in air and in water (with the specific gravity of
water taken to be one).
The optional below-balance-weighing hook facilitates the measurement in water.
Described below is the procedure when using the below-balance-weighing hook.
(See “17.2 Below-Balance-Weighing Hook”.)
The optional “Specific Gravity Measurement Set” is also available.
The weight in air during specific gravity measurement is displayed as grams.
Procedure (1)
Select specific gravity measurement
mode
in menu selection.
(Refer to “5. Menu Selection”.)
(2)
Press the [TARE] key.
is
displayed and then “g” and the
specific gravity measurement mark
(▼) illuminate.
- 14 -
CAUTION
The internal values of the balance are being
revised while
off the power while
(3)
is displayed. Do not turn
is displayed.
Press the [TARE] key when there is
no sample on the pan to zero the
display.
(4)
Place the sample on the pan to
measure its weight in air.
Sample
Balance
Base
Water tank
(5)
Underwater
pan
Press the [MODE] key when the
display has stabilized.
(6)
The gram mark disappears with the
specific gravity measurement mark
remaining illuminating and displaying
the specific gravity value.
(The display fluctuates. However,
this is not a problem.)
(7)
Unload the sample and place the
sample on the underwater pan.
(8)
Read the displayed value when the
stability mark illuminates.
•
The weight in air has to be more than 100 times the minimum
increment to ensure accurate measurements.
(9)
Press the [UNIT] key to revert to the gram display.
•
is displayed if the calculation results are negative.
•
The calculation results can be output by the print command
- 15 -
while the results are being displayed. (Continuous output is
not possible during specific gravity measurement.)
•
Return to step (3) by pressing the [MODE] key to continue
specific gravity measurements.
•
The specific gravity is calculated using the following equation.
(Weight in Air)
(Weight in Air) − (Weight in Water)
―――――――――――――――――
•
To stop specific gravity measurement and revert to weight
measurement...
(a) While displaying specific gravity value (while displaying
“▼”) : press the [MODE] key and then press the [UNIT] key.
(b) While displaying weight in specific gravity mode (while
displaying “▼g”): press the [UNIT] key.
•
The specific gravity measurement is registered for the [UNIT]
key. Specific gravity measurement can be started from step (3)
by pressing the [UNIT] key during weight measurement.
(10)
To cancel specific gravity measurement, follow the procedure below.
•
Press the [UNIT] key to display another unit (g, PCS, or %).
•
Press the [MODE] key to display
“
•
”.
The stability mark illuminates if
specific gravity measurement has been set.
•
Press the [TARE] key.
This cancels the specific gravity measurement, and the
balance displays ordinary units such as g, PCS and %.
11. Switching Units
•
Pressing the [UNIT] key switches the unit between “g” and
other registered units. (The balance may be shipped from the
factory with no units registered. In this case, the unit cannot
be switched.)
•
When piece counting or percentage conversion is registered
- 16 -
for the [UNIT] key, the value will be calculated and displayed
using the latest reference.
•
The registered units remain after the power is turned off. The
unit registered most recently appears on the display when the
power is turned on.
•
Three units can be registered in addition to grams.
12. Performance Inspection
Conduct performance inspection in a room at a temperature of approximately 25°C
without large fluctuation. Perform this inspection as a guide to judge the proper
operation of the balance.
Preparation
•
Warm up the balance for more than 30 minutes after turning
on the power.
•
The inspection should be conducted with the gram display. If
another unit is displayed, press the [UNIT] key to switch to
the gram display.
•
Select the following conditions in menu selection.
Response mode
(Normal)
Internal stability detection width
or
Zero tracking
•
(off)
Perform preliminarily loading, and then press the [TARE] key
to zero the display.
Repeatability (1)
Repeat loading and unloading a weight close to the capacity 10
times and record the following values.
Xi: the value at which the display stabilizes after loading
Yi: the value at which the display stabilizes after unloading
(2)
Obtain the standard deviation σx and σy using the equation
below.
- 17 -
(3)
Both σx and σy should be within 1.5 times the standard
deviation indicated in “15. Specifications”.
Cornerload error
(1)
Load a weight of approximately 1/4th the weighing capacity in
the order of the numbers in the diagram below and record the
values X1 to X5.
(2)
The differences between the value at the center of the pan (X1)
and other values (X2 to X5) should be within 3 times the
minimum increment.
In the case of a square pan
In the case of a round pan
- 18 -
13. Maintenance
Wipe any dirt away with a soft cloth moistened
NOTICE
with a neutral detergent.
Organic solvents and chemical dusters will
NOTICE
damage the coating and membrane panel.
Use the protective cover (supplied as a standard
NOTICE
accessory) when using the balance in places
where dirt may attach.
The pan can be washed in water. Be sure that it
NOTICE
is completely dry when using.
14.
Malfunction?
Check the following items before contacting our service personnel.
When
Before
Phenomenon
Cause and Solution
• Nothing is displayed after the
measurement
• AC adapter is not connected.
• Switchboard is turned off.
power is turned on.
• Built-in battery (optional) is empty.
⇒ See “17.1 Built-in Battery”.
• The power switch is set to position
“ON2” when using the AC adapter.
• The power switch is set to position
“ON1” when using the built-in battery.
• Stops at
• Depending on the ambient temperature,
may be displayed for about 1
minute. If “CHE t” remains displayed
for more than 1 minute, contact our
service personnel.
During
•
• An object heavier than the capacity has
is displayed.
been placed on the pan.
measurement
• Sensitivity (span) is not correct.
⇒ See “7. Calibration”.
•
• The pan and/or pan supporter is not
is displayed.
mounted correctly.
- 19 -
When
During
Phenomenon
Cause and Solution
• The display fluctuates.
• Affection of vibration or wind.
⇒ Install the balance at a place without
measurement
vibration or wind.
⇒ Set the response speed to normal.
• Affection of electromagnetic waves or
electrical noise.
⇒ Place the balance away from the
noise source.
• The Low Battery mark remains
• Unexpectedly turns to
• The built-in battery (optional) is empty.
⇒ See “17.1 Built-in Battery”.
illuminated.
.
• There was a momentary power failure.
⇒ Press the [BREAK] key.
During piece
counting
• Number of pieces cannot be
counted correctly.
• There is a large variation in the weight
between pieces of the sample.
⇒ Increase the number of the reference
sample pieces.
During specific
gravity
• The specific gravity value
fluctuates.
• The weight of the sample is too small
for the specific gravity.
measurement
If the following codes display during operation, solve the problem by applying the
solution below.
Code
Description
Solution
This appears when an improper
weight is placed on the pan during
calibration.
Restart calibration with the correct
weight.
This appears when trying to start
calibration with an object on the pan.
Restart calibration after removing the
object from the pan.
This appears when the reference
value is smaller than the minimum
increment in piece counting or
percentage conversion mode.
Reset the reference with a larger amount
of sample.
Internal temperature sensor error.
Stop using the balance and contact our
service personnel.
Internal computation error.
- 20 -
15.
Specifications
Model
EL120
EL200
EL300
EL600
EL1200
Weighing capacity
120g
200g
300g
600g
1200g
Minimum display
0.01g
0.01g
0.01g
0.05g
0.1g
Standard deviation
σ ≤ 0.01g
σ ≤ 0.01g
σ ≤ 0.01g
σ ≤ 0.05g
σ ≤ 0.1g
± 0.01g
± 0.01g
± 0.02g
± 0.05g
± 0.1g
100g
200g
300g
500g
1000g
Linearity errors
Calibration weight
φ110
Pan size (mm)
Stability of Sensitivity
(5 ~ 35 C˚)
± 20ppm/°C
170 × 130
± 15ppm/°C
Dimensions of main
± 20ppm/°C
± 20ppm/°C
Approx. 185（W）× 215（D）× 55（H）
body (mm)
Weight (kg)
Approx. 1.25
Temperature range
Power supply
± 10ppm/°C
5 to 40°C
DC output voltage: 12 to 19 VDC or
(AC adapter : option)
14 to 19 VDC (with the battery charge function)
DC output current: Reference
80mAdc/16V or 100mAdc/15V
Shape of the plug:
- 21 -
Model
EL2000
EL3000
EL12K
EL600S
EL6000S
Weighing capacity
2000g
3000g
12kg
600g
6000g
Minimum display
0.1g
0.1g
1g
0.1g
1g
Standard deviation
σ ≤ 0.1g
σ ≤ 0.1g
σ ≤ 1g
σ ≤ 0.1g
σ ≤ 1g
Linearity errors
± 0.1g
± 0.2g
± 1g
± 0.1g
± 1g
Calibration weight
2000g
3000g
10kg
500g
5000g
± 20ppm/°C
± 20ppm/°C
170 × 130
Pan size (mm)
Stability of Sensitivity
(5 ~ 35 C˚)
± 15ppm/°C
± 10ppm/°C
Dimensions of main
Approx. 185（W）× 215（D）× 55（H）
body (mm)
Weight (kg)
Approx. 1.25
Temperature range
Power supply
± 20ppm/°C
5 to 40°C
DC output voltage: 12 to 19 VDC or
(AC adapter : option)
14 to 19 VDC (with the battery charge function)
DC output current: Reference
80mAdc/16V or 100mAdc/15V
Shape of the plug:
- 22 -
16.
Parts List
Special Accessories (Options)
Product Name
P/N
Remarks
Built-in battery
321-60063
Below-balance weighing hook
321-34532-03 Cannot be used with the EL12K.
Specific gravity measurement set 321-42253
Use with a balance whose capacity is 600g or
more (the measurable weight is reduced by
200g). This set allows specific gravity
measurement of samples with a volume of 5 to
500cm3 (the size of the sample must be smaller
than 115mm in diameter × 70mm in height).
Calibration weight
100g
321-53445-10
200g
321-53446-10
500g
321-53447-10
1kg
321-53448-10
2kg
321-53449-10
5kg
321-53450-10
10kg
321-53451-10
Printer, EP-60A
321-42008-10 For heat-sensitive paper
RS-232C interface, IFB-102A
321-41167-10
Maintenance Parts
Product Name
P/N
Remarks
Square pan
321-41419
Pan supporter, square
321-41394-90
Round pan
321-41418-10
Pan supporter, round
321-40910-90
Protective cover
321-41617-01 1 piece
321-41617-70 Contains 10 pieces
Level adjusting feet
321-41397
Rubber feet
321-53530-30
Battery label
321-42019
- 23 -
17. Special Accessories (Options)
17.1
Built-in Battery
The battery can be used for about 12 hours on one charge (when using the balance
without external devices).
Caution and
Notes
NOTICE
CAUTION
NOTICE
NOTICE
When using the battery for the first time, or
when using it after it has not been used for a
long period of time, recharge it before use.
Use the AC adapter supplied with the balance to
recharge the battery.
Do not recharge the battery for more than 15 hours.
(Unnecessary long recharge will shorten the
battery life.)
Recharge the battery at an ambient temperature
of 5 to 35°C.
Mounting (1)
the battery
into the balance
Turn off the power and remove the pan and pan supporter.
Unscrew the case fixing screw (13).
(2)
Lift up the case from the rear (the case is connected to the
balance by cables), rotate it 180 degrees to turn it over, and then
place it in front of the balance.
Battery compartment
- 24 -
(3)
Fix the sponge (14), battery (15), and holder plate (16) into the
battery compartment and fix them using the fixing screws (17).
Ensure that both the left and right sides of the sponge (14) are
slightly bent.
Tighten the screws
completely!
Battery compartment
Cables should be at the front.
(4)
Insert the connector at the tip of the battery cords into the 2 pin
connector on the board.
Remount the case by reversing the removing procedure, and fix
it with the screw.
When remounting the case, take care so that the switch cables
(18) are not caught between the case panels.
2 pin connector
(5)
Apply the “Battery Built-in” label on the front of the balance at
the right bottom.
Label
- 25 -
Recharging
the battery
Set the power switch to “OFF”. Insert the AC adapter plug into
the power jack of the balance, and insert the AC adapter into the
power outlet to start recharge.
Recharge is completed in 15 hours. Pull out the AC adapter from
the power outlet after 15 hours.
17.2
Below-Balance-Weighing Hook
With the below-balance-weighing hook, the sample can be suspended below the
balance for weighing. This is particularly useful for specific gravity measurements.
Attaching (1)
the hook to
the balance
Turn off the power and disconnect the AC adapter plug from the
balance.
(2)
(3)
(4)
Remove the pan and pan supporter.
Remove the seal on the back of the balance.
While holding down the pan supporter shaft, screw the hook into
the screw hole on the bottom of the balance by hand. (Do not use
any tools such as a monkey wrench to tighten the hook, as it may
damage the sensor inside the balance.)
Place the balance at a place where no excess force is applied to
the hook.
Remount the pan supporter and pan onto the pan supporter shaft.
(5)
(6)
Below-balance-weighing hook
- 26 -
18.
18.1
Peripherals
Printer EP-60A
The EP-60A is a thermal printer connected to the DATA I/O connector of the
balance. The EP-60A prints the data displayed on the balance and performs
statistical calculations.
See the instruction manual for the EP-60A for detailed information.
Before using the EP-60A, set the baud rate to 1200bps and stop bit to 1. (See
“Selecting the Baud Rate” and “Selecting the Stop Bit” on page 27.)
18.2
RS-232C Interface IFB-102A
The IFB-102A is used to connect the balance to external devices such as a personal
computer.
Connection
After confirming that the power of the balance has been turned
off, insert the plug of the IFB-102A into the DATA I/O connector of
the balance.
Signals
Pin No.
Signal Name
I/O
Description
Ground
1
FG
2
TXD
Out
Data output
3
RXD
In
Data input
4
RTS
5
CTS
6
DSR
7
SG
20
DTR

 Short circuit

Communication possible
In
with polarity (+)
Communication impossible
- 27 -
Out
with polarity (−)
18.3
Input/Output Format
Key: “△ ” indicates a space and (CR) indicates a carriage return.
Input data
Command code + (CR) ⇒ See “18.4 Command Codes”.
Output data
•
When displaying the weight
S−△△300.00g△
(CR)
Unit + space
Space, number, decimal point
Polarity
Positive space (△)
Negative minus (−)
Internal stability
(when outputting with stability
information)
Stable
S
Unstable U
•
When
or
is displayed
S − △ △ △ △ oL △ △ △ △
(CR)
Unit + space
Polarity
Positive space (△)
Negative minus (−)
Internal stability
(when outputting with stability
information)
Stable
S
Unstable U
Data format
•
ASCII (JIS) code
•
Baud rate
Select from 300, 600, 1200, 2400, 4800, and 9600.
•
Parity
Select from
(even number),
number), and
(none).
•
Data length Without parity 8 bit
With parity
- 28 -
7 bit
(odd
•
Stop bit
Select from 1 and 2.
NOTICE
Set the baud rate to 1200 and the stop bit to 1
when using the EP-60A.
Selecting (1)
Press the [MODE] key to display
the baud rate
(see “5. Menu Selection”).
(2)
Press the [TARE] key to display
.
(3)
Press the [TARE] key.
(4)
“300” is displayed. The display
changes in the following order by
pressing the [MODE] key: 300 →
600 → 1200 → 2400 → 4800 →9600
→
300... The currently selected baud
rate is displayed with the stability
mark.
(5)
Select the desired baud rate and
press the [TARE] key.
Selecting (1)
Press the [MODE] key to display
.
the parity
(2)
Press the [TARE] key to display
.
(3)
Press the [MODE] key to display
.
(4)
Press the [TARE] key to display
“
(5)
”.
The display changes in the following
order by pressing the [MODE] key:
→
→
→
- 29 -
...
The currently selected parity is displayed with the stability
mark.
(6)
Select the desired parity and press the [TARE] key.
∗ The data length becomes 7 bits if “
” or “
” is
selected for the parity.
Selecting (1)
the stop bit
(2)
Press the [MODE] key to display
.
Press the [TARE] key to display
.
(3)
Press the [MODE] key to display
.
(4)
Press the [TARE] key to display
.
The display changes in the following
(5)
order by pressing the [MODE] key:
1 → 2 → 1...
The currently selected stop bit is
displayed with the stability mark.
(6)
Select the desired stop bit and press the [TARE] key.
18.4
Command Codes
Shown below are commands available when the balance is connected to external
devices such as a personal computer. See “18.3 Input/Output Format” for
information on data formats.
Inputting characters or control codes that are not listed below may impede the
proper operation of the balance or the performance of correct measurements.
When connecting the balance to external devices to conduct unattended operation,
take appropriate precautionary measures against unexpected communication failure
(setting a waiting time for input, for example).
- 30 -
Command code
Q
Function
Start operation
Description
Switches the display from
to weight
when the power is turned on.
Stops Auto Print and continuous output.
T
Subtraction of the container
Zeros the display.
weight
D05
Print (once)
Outputs the displayed data.
D06
Auto Print∗
Outputs the displayed data automatically when
the display stabilizes after an object is placed on
the pan while zero is displayed.
D01
Continuous output ∗
Outputs the displayed data continuously at an
interval of approx. 100ms.
D09
Output stop
Stops Auto Print and continuous output.
D07
Single output with stability
Outputs the data once with the internal stability
information
information.
Continuous output with
stability information∗
Outputs the data continuously with the internal
D03
stability information.
Commands with “∗” are cancelled by pressing the [BREAK], [UNIT], or [MODE] key.
- 31 -
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